apropos vs breech

apropos

adj
  • Of an appropriate or pertinent nature. 

  • by the way, incidental 

adv
  • To the purpose; appropriately. 

  • By the way. 

  • Timely; at a good time. 

prep
  • Regarding or concerning. 

breech

adj
  • Born, or having been born, breech. 

adv
  • With the hips coming out before the head. 

noun
  • The part of a cannon or other firearm behind the chamber. 

  • A breech birth. 

  • A garment whose purpose is to cover or clothe the buttocks. 

  • The external angle of knee timber, the inside of which is called the throat. 

verb
  • To fit or furnish with a breech. 

  • To fasten with breeching. 

How often have the words apropos and breech occurred in a corpus of books? (source: Google Ngram Viewer )